Luminaire



FIG. 1 is a perspective view of a luminaire in accordance with the design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front plan view thereof;

FIG. 5 is a back plan view thereof;

FIG. 6 is a left side plan view thereof; and,

FIG. 7 is a right side plan view thereof.

Any broken lines present in the drawings are for illustrative purposes only and form no part of the design to be patented. 

CLAIM The ornamental design for a luminaire, as shown and described. 